/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package Servlets;

import Negocio.UsuarioBL;
import beans.Controlador;
import beans.Usuario;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Harold Jara
 */
public class ValidarAcceso extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException, Exception {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            //Clase de Negocio
            UsuarioBL _usuario = new UsuarioBL();
            
             //Recibimos los valores del FORM del jsp login
            String user = request.getParameter("txtUsuario");
            String password = request.getParameter("txtPassword");
            
            Usuario u = _usuario.VerificarAcceso(user, password);
            if(u!=null){
                //Guardamos el Objeto en la Sesión
                HttpSession ses = request.getSession();
                ses.setAttribute("Usuario", u);
                Controlador.GetInstance().getZipCodesCercanosByUsuario(u);
                Controlador.GetInstance().getDatosConsumoByZicodeUsuario(u);
                
                response.sendRedirect("principal.jsp");
            }else{
                out.print("<h2>Error de Acceso</h2>");
            }
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        try {
            processRequest(request, response);
        } catch (Exception ex) {
            Logger.getLogger(ValidarAcceso.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        try {
            processRequest(request, response);
        } catch (Exception ex) {
            Logger.getLogger(ValidarAcceso.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
